Dell PowerEdge 4220 Technical Manual - Page 20

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Dell PowerEdge 4220 Technical Manual
racks. Sliding rails require an adapter bracket for installation in threaded- hole racks. Other products
including rack- mount UPS systems, KVMs, and the 1U equipment shelf also use the ReadyRails
interface.
th
With the 12
generation servers, the rack/rail interface for the sliding rails has been updated to the
ReadyRails™ II design, which provides native support (with simple conversion) for threaded- hole
racks. ReadyRails and ReadyRails II rail kits are extremely fast and easy to deploy and are as easy to
remove from the rack as they are to install.
The rail kits are available in either sliding or static style, based on the system specifications and the
customer's needs. Sliding rails allow the system to be fully extended out of the rack for service and
have an optional cable management arm (CMA) that provides a guide for component cable routing
to the rear of the rack. Static rails support a wider variety of racks than the sliding rails but do not
support serviceability in the rack. Due to their reduced complexity and lack of need for CMA
support, the static rails offer a smaller footprint than the sliding rails.
Sliding
Static

Figure 15. ReadyRails II and ReadyRails mounting kits

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PowerEdge Rack Enclosures Technical Guide